After racking my brains thinking this had to do with deb822, I found
that a Dbus exception was being suppressed by only logging one
particular exception. Disabling the catch with
--->
def on_remove_clicked(self, widget):
"""Remove the selected source"""
model = self.treeview_sources.get_model()
(path, column) = self.treeview_sources.get_cursor()
iter = model.get_iter(path)
if iter:
source_entry = model.get_value(iter, LIST_ENTRY_OBJ)
#try:
self.backend.RemoveSource(str(source_entry))
#except dbus.DBusException as e:
# maybe_log_authentication_canceled_error(e)
<---
reveals the issue:
--->
Traceback (most recent call last):
File
"/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py",
line 1159, in on_remove_clicked
self.backend.RemoveSource(str(source_entry))
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 141, in __call__
return self._connection.call_blocking(self._named_service,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/dbus/connection.py", line 634, in
call_blocking
reply_message = self.send_message_with_reply_and_block(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dbus.exceptions.DBusException:
com.ubuntu.SoftwareProperties.PermissionDeniedByPolicy:
com.ubuntu.softwareproperties.applychanges
<---
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https://bugs.launchpad.net/bugs/2059796
Title:
Other Software > Remove button doesn't work
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